<html xmlns:h="http://java.sun.com/jsf/html"
      xmlns:c="http://java.sun.com/jstl/core"
      xmlns:util="http://code.google.com/p/ada-asf/util">
  <body>
    <a href="/test.html?param=#{util:urlEncode('a/b/c?a=b&amp;c=d')}">link</a>
  </body>
</html>
